import 'dart:async'; import 'dart:io'; import 'package:audioplayers/audioplayers.dart'; import 'package:matrix/matrix.dart'; import 'package:fluffychat/utils/sentry_controller.dart'; import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'package:path_provider/path_provider.dart'; import 'package:flutter_gen/gen_l10n/l10n.dart'; import '../../utils/matrix_sdk_extensions.dart/event_extension.dart'; class AudioPlayerWidget extends StatefulWidget { final Color color; final Event event; static String currentId; const AudioPlayerWidget(this.event, {this.color = Colors.black, Key key}) : super(key: key); @override _AudioPlayerState createState() => _AudioPlayerState(); } enum AudioPlayerStatus { notDownloaded, downloading, downloaded } class _AudioPlayerState extends State { AudioPlayerStatus status = AudioPlayerStatus.notDownloaded; final AudioPlayer audioPlayer = AudioPlayer(); StreamSubscription onAudioPositionChanged; StreamSubscription onDurationChanged; StreamSubscription onPlayerStateChanged; StreamSubscription onPlayerError; String statusText = '00:00'; double currentPosition = 0; double maxPosition = 0; File audioFile; @override void dispose() { if (audioPlayer.state == PlayerState.PLAYING) { audioPlayer.stop(); } onAudioPositionChanged?.cancel(); onDurationChanged?.cancel(); onPlayerStateChanged?.cancel(); onPlayerError?.cancel(); super.dispose(); } Future _downloadAction() async { if (status != AudioPlayerStatus.notDownloaded) return; setState(() => status = AudioPlayerStatus.downloading); try { final matrixFile = await widget.event.downloadAndDecryptAttachmentCached(); final tempDir = await getTemporaryDirectory(); final fileName = matrixFile.name.contains('.') ? matrixFile.name : '${matrixFile.name}.mp3'; final file = File('${tempDir.path}/$fileName'); await file.writeAsBytes(matrixFile.bytes); setState(() { audioFile = file; status = AudioPlayerStatus.downloaded; }); _playAction(); } catch (e, s) { Logs().v('Could not download audio file', e, s); ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Text(e.toLocalizedString(context)), ), ); } } void _playAction() async { if (AudioPlayerWidget.currentId != widget.event.eventId) { if (AudioPlayerWidget.currentId != null) { if (audioPlayer.state != PlayerState.STOPPED) { await audioPlayer.stop(); setState(() => null); } } AudioPlayerWidget.currentId = widget.event.eventId; } switch (audioPlayer.state) { case PlayerState.PLAYING: await audioPlayer.pause(); break; case PlayerState.PAUSED: await audioPlayer.resume(); break; case PlayerState.STOPPED: default: onAudioPositionChanged ??= audioPlayer.onAudioPositionChanged.listen((state) { setState(() { statusText = '${state.inMinutes.toString().padLeft(2, '0')}:${(state.inSeconds % 60).toString().padLeft(2, '0')}'; currentPosition = state.inMilliseconds.toDouble(); }); }); onDurationChanged ??= audioPlayer.onDurationChanged.listen((max) => setState(() => maxPosition = max.inMilliseconds.toDouble())); onPlayerStateChanged ??= audioPlayer.onPlayerStateChanged .listen((_) => setState(() => null)); onPlayerError ??= audioPlayer.onPlayerError.listen((e) { ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Text(L10n.of(context).oopsSomethingWentWrong), ), ); SentryController.captureException(e, StackTrace.current); }); await audioPlayer.play(audioFile.path); break; } } @override Widget build(BuildContext context) { return Row( mainAxisSize: MainAxisSize.min, children: [ Container( width: 30, child: status == AudioPlayerStatus.downloading ? CircularProgressIndicator(strokeWidth: 2) : IconButton( icon: Icon( audioPlayer.state == PlayerState.PLAYING ? Icons.pause_outlined : Icons.play_arrow_outlined, color: widget.color, ), tooltip: audioPlayer.state == PlayerState.PLAYING ? L10n.of(context).audioPlayerPause : L10n.of(context).audioPlayerPlay, onPressed: () { if (status == AudioPlayerStatus.downloaded) { _playAction(); } else { _downloadAction(); } }, ), ), Expanded( child: Slider( activeColor: Theme.of(context).colorScheme.secondaryVariant, inactiveColor: widget.color.withAlpha(64), value: currentPosition, onChanged: (double position) => audioPlayer.seek(Duration(milliseconds: position.toInt())), max: status == AudioPlayerStatus.downloaded ? maxPosition : 0, min: 0, ), ), Text( statusText, style: TextStyle( color: widget.color, ), ), SizedBox(width: 8), IconButton( icon: Icon( Icons.download_outlined, color: widget.color, ), onPressed: () => widget.event.saveFile(context), ), ], ); } }